/*reset*/
#app{
  width: 100%;
  height: 100%;
}
body,div{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
body{
	width: 100vw;
	height: 100vh;
}
a{
	text-decoration: none;
}
li{
	list-style: none;
}